/Engine/Source/Runtime/GeometryCore/Public/MatrixTypes.h
Construct outer-product of U*transpose(V) of U and V result is that Mij = u_i * v_j
TMatrix2 ( const [TVector2](API\Runtime\Core\Math\TVector2)< RealType > & U, const [TVector2](API\Runtime\Core\Math\TVector2)< RealType > & V )